3861948 has 12 divisors (see below), whose sum is σ = 9011240. Its totient is φ = 1287312.

The previous prime is 3861929. The next prime is 3861961. The reversal of 3861948 is 8491683.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160903 + ... + 160926.

Almost surely, 2^3861948 is an apocalyptic number.

It is an amenable number.

3861948 is an abundant number, since it is smaller than the sum of its proper divisors (5149292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861948 is a wasteful number, since it uses less digits than its factorization.

3861948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321836 (or 321834 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 3861948 is about 1965.1839608546. The cubic root of 3861948 is about 156.8924845726.

The spelling of 3861948 in words is "three million, eight hundred sixty-one thousand, nine hundred forty-eight".